The GRACO DT4888 Husky 1590 is a metal air-operated double diaphragm pump designed for high-flow fluid transfer applications. It features a stainless steel center section and is intended for use in demanding industrial environments where reliability and portability are required.

Key Features:

• Air-Operated Double Diaphragm Pump (AODD)
• Husky 1590, 1-1/2 in. (38.1 mm) NPT
• Stainless steel center section, metal body, FKM (fluoroelastomer) seats, balls, and diaphragm
• 100 gpm (378 lpm)
• Fluid pressure to 120 psi (8.3 bar)
• Designed for use with a wide range of industrial fluids, compatible with various GRACO equipment and systems
• ATEX rated (for certain configurations, check specific model for certification)
• Patented, high-reliability closed center air valve
• Online serviceable air valve
• Epoxy-coated air motor for corrosion resistance
• Compact, portable size
• High flow in a small footprint
• Reliable and robust for heavy-duty applications

Applications:
Ideal for transferring a wide range of fluids in industries such as mining, agriculture, chemical processing, and general industrial fluid handling. Suitable for applications requiring high flow rates and portability.

Installation Notes:

• Using genuine GRACO parts ensures optimal performance, reliability, and safety. Non-genuine parts may compromise pump efficiency and longevity.
• Ensure all connections are tight and leak-free before operation
• Use appropriate thread sealant for NPT connections
• Verify air supply is clean and dry to prevent valve and diaphragm wear
• Regularly inspect diaphragms and valves for wear and replace as needed
• Follow GRACO’s recommended maintenance schedule for best results